senior fbi officials are scheduled to brief congressional investigators today on the affair that broke down cia director david patraeus. they'll ask about thousands of emails between a tampa socialite. daniel nottingham has more. >> reporter: he will testify about the deadly attack on the u.s. consulate in benghazi libya. before he handed in his resignation he was scheduled to appear at hearings this week. the details of the new hearings are being worked out. president obama is expected to face questions about the scandal that forced patraeus to step down at a news conference today. the widening investigation the s now jeopardizing general john allen's future. the pentagon is looking at emails he exchanged with joe kelly. sources described them as potentially inappropriate and flirtatious. >> these allegations are shocking to everybody that knows general allen. he's a terrific officer. he's also done a really good job in afghanistan. >> the white house and lawmakers continue to express confidence in general allen's leadership of u.s. troops if afghanistan while his promotion to become